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Preparation method of manganese methionine

A technology of manganese methionine and methionine, which is applied in the preparation of sulfides, organic chemistry, etc., can solve the problems of difficult sales, complex production costs, slow water evaporation, etc., and achieve the effects of improving production efficiency, simple realization, and convenient operation

Inactive Publication Date: 2017-12-08
NANTONG ITALMATCH CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The usual production method of manganese methionine is to use sodium methionine to react with manganese sulfate, and the obtained product is viscous, which is difficult to further process and difficult to sell
The problem existing in the existing preparation method is that in the further processing steps, the air permeability is not good during drying, the water evaporates slowly, it is not easy to dry, it is easy to smolder, and it is very dangerous. It is necessary to add automatic turning equipment, more equipment, and complicated production costs. high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] A preparation method of manganese methionine, comprising two steps of salt-forming reaction and drying, the specific steps are as follows:

[0012] (1) Salt formation reaction: put methionine, basic copper carbonate, benzoic acid and water into the reaction kettle, stir, heat the reaction at 60°C, make carbon dioxide overflow, and generate manganese methionine, methionine, basic copper carbonate, benzene The mass ratio of formic acid and water is 4:1:2:30;

[0013] (2) Drying: Put the separated granular products in upper and lower air-permeable stainless steel drying sieves, put them in a drying oven for drying, and pass the obtained products through sieving to obtain manganese methionine products. The drying temperature is 100°C.

Embodiment 2

[0015] A preparation method of manganese methionine, comprising two steps of salt-forming reaction and drying, the specific steps are as follows:

[0016] (1) Salt formation reaction: put methionine, basic copper carbonate, benzoic acid and water into the reaction kettle, stir, heat the reaction at 70°C, make carbon dioxide overflow, and generate manganese methionine, methionine, basic copper carbonate, benzene The mass ratio of formic acid and water is 10:3:5:30;

[0017] (2) Drying: Put the separated granular products in upper and lower air-permeable stainless steel drying sieves, put them in a drying oven for drying, and pass the obtained products through sieving to obtain manganese methionine products. The drying temperature is 120°C.

Embodiment 3

[0019] A preparation method of manganese methionine, comprising two steps of salt-forming reaction and drying, the specific steps are as follows:

[0020] (1) Salt formation reaction: put methionine, basic copper carbonate, benzoic acid and water into the reaction kettle, stir, heat the reaction at 65°C, make carbon dioxide overflow, and generate manganese methionine, methionine, basic copper carbonate, benzene The mass ratio of formic acid and water is 7:2:3:30;

[0021] (2) Drying: Put the separated granular products in upper and lower air-permeable stainless steel drying sieves, put them in a drying oven for drying, and pass the obtained products through sieving to obtain manganese methionine products. The drying temperature is 110°C.

[0022] In the production process of the present invention, basic copper carbonate and initiator are used to ensure that granular products are obtained, which is beneficial to drying, does not need to be pulverized, and avoids the generation...

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PUM

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Abstract

The invention discloses a preparation method of manganese methionine. The method comprises the two steps of salifying reaction and drying, and has the following concrete steps that for the salifying reaction, methionine, basic cupric carbonate, benzoic acid and water are fed into a reaction kettle and are stirred; heating reaction is performed at 65 DEG C so that carbon dioxide overflows to produce manganese methionine; the mass ratio of the methionine to the basic cupric carbonate to the benzoic acid to the water is 7:2:3:30; for drying, the particle products obtained through separation are put into an upper and lower ventilated stainless steel drying sieve; the materials are put into a drying box to be dried; an obtained product is sieved; the manganese methionine product is obtained; the drying temperature is 110 DEG C. The method has the advantages that in the production process, the basic cupric carbonate and initiators are used; the granular products are enabled to be obtained; the drying is facilitated; crushing is not needed; the dust generation is avoided; the characteristics of simple realization and convenient operation are realized; the investment of the production equipment is reduced; the production efficiency is improved.

Description

technical field [0001] The invention belongs to the field of preparation of organic compounds, and in particular relates to a preparation method of manganese methionine. Background technique [0002] In animal feed organic mineral additives, as an organic copper mineral additive, manganese methionine has attracted more and more attention and has broad application prospects. The common production method of manganese methionine is to utilize sodium methionine to react with manganese sulfate, and the obtained product is viscous, which is difficult to further process and difficult to sell. The problem existing in the existing preparation method is that in the further processing steps, the air permeability is not good during drying, the water evaporates slowly, it is not easy to dry, it is easy to smolder, and it is very dangerous. It is necessary to add automatic turning equipment, more equipment, and complicated production costs. high. Contents of the invention [0003] The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C323/58C07C319/20
CPCC07C319/20C07C323/58
Inventor 胡剑锋
Owner NANTONG ITALMATCH CHEM